UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VKNvlrpAqaEPt9W3VulvWSSWKI8jqWCgjoRb+lCLdAI=' 
WHERE 
  key_id = 'c20d559f0ba777f015c3ad532ed84bd8cd4b00db0aa5c879c3ed4b71a6e8f517' 
  AND (
    token = 'VKNvlrpAqaEPt9W3VulvWSSWKI8jqWCgjoRb+lCLdAI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )